PropertyTaxPeek

Cook County, IL vs Rock County, WI

Property Tax Rate Comparison 2025

Quick Answer

Cook County, IL: 2.29% effective rate · $3,716/yr median tax · median home $162,297

Rock County, WI: 1.33% effective rate · $2,324/yr median tax · median home $174,782

Side-by-Side Comparison

MetricCook County, ILRock County, WINational Avg
Effective Tax Rate2.29%1.33%1.06%
Median Annual Tax$3,716$2,324$2,778
Median Home Value$162,297$174,782$268,728
Population5,275,541163,687

Cook County, IL

Effective Rate
2.29%
Median Annual Tax
$3,716
Median Home Value
$162,297
Population
5,275,541
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Rock County, WI

Effective Rate
1.33%
Median Annual Tax
$2,324
Median Home Value
$174,782
Population
163,687
Full profile →

Frequently Asked Questions

What is the property tax difference between Cook County and Rock County?
Cook County, IL has an effective property tax rate of 2.29% with a median annual tax of $3,716. Rock County, WI has a rate of 1.33% with a median annual tax of $2,324. The difference is 0.96 percentage points.
Which county has higher property taxes, Cook County or Rock County?
Cook County, IL has the higher effective property tax rate at 2.29% compared to 1.33%.
How do Cook County and Rock County compare to the national average?
The national average effective property tax rate is 1.06%. Cook County is above average at 2.29%, and Rock County is above average at 1.33%.